1794 – Antoine Lavoisier was executed by guillotine. He was the French chemist that discovered oxygen.
1794 – The United States Post Office was established.
1846 – The first major battle of the Mexican War was fought. The battle occurred in Palo Alto, TX.
1847 – The rubber tire was patented by Robert W. Thompson.
1879 – George Selden applied for the first automobile patent.
1904 – U.S. Marines landed in Tangier to protect the Belgian legation.
1914 – The U.S. Congress passed a Joint Resolution that designated the second Sunday in May as Mother’s Day.
1919 – The first transatlantic flight took-off by a navy seaplane.
1921 – Sweden abolished capital punishment.
1933 – Gandhi began a hunger strike to protest British oppression in India.
1943 – The Germans suppressed a revolt by Polish Jews and destroyed the Warsaw Ghetto.
1945 – U.S. President Harry Truman announced that World War II had ended in Europe.
1960 – Diplomatic relations between Cuba and the Soviet Union resumed.
1999 – The first female cadet graduated from The Citadel military college.